Area - practice for 12 year olds - page 3 of 48
Number of problems found: 957
- Observatory
The observatory dome has the shape of a hemisphere with a diameter d = 14 m. Calculate the surface. - Calculate 41431
Calculate the surface of a cube whose edge measures 8 dm. - Calculate 24881
Calculate a sphere's volume and surface area with a radius of 23dm. - Illuminates 4961
The lamp illuminates a circle with a diameter of 10m. What area does the light illuminate? - Calculate 21163
Calculate the volume and surface area of the sphere if given r = 36mm - Calculate 14733
Square has the side a = 12 cm. Calculate the area of a triangle in the square. - Calculate 4581
Calculate the surface and volume of the sphere if r = 5cm. - Circumference 3254
Calculate the height of a diamond with a circumference of 21.6cm and an area of 21.6cm squares. - A rectangle 13
A rectangle measures 2 1/2 meters by 1 3/4 meters. What is its area? - Area - simple
Find the area of the triangle. So, the base is 7 2/3 mi. The height is 7 mi. What is the Area? - Length in yds
Find the area of a rectangle with a length of 4 3/4 yards and a width of 1 1/16 yards. - A triangle 2
A triangle has a base of 2 inches and a height of 2 3/4 inches. What is the area of the triangle? - Diamond - simple
Calculate the circumference and area of the diamond if the side is 5 cm long and the height is 3 cm long. - Area of a triangle
What is the area of a triangle that has a base of 4 1/4 and a height of 3 3/3? - Calculate
Calculate the area cm² diamond with a side length of 9.8 cm and a height on the side of 5 cm. - Drawer
The rectangular face of a drawer has a perimeter of 108 cm and a width of 18cm. Find the length and the area of the rectangular face of the drawer. - Calculate
Calculate the area of the ABE triangle AB = 38mm and height E = 42mm Ps: please try a quick calculation - Rhombus 4
The circumference of the rhombus is 44 cm, and its height is 89 mm long. Calculate its area. - Cube 2
How many times will increase if the surface area of the cube if we triple the length of its edge? - Circumference 6929
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle.
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